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[68.147.8.254]) by smtp.gmail.com with ESMTPSA id t64sm47261961pfa.86.2019.04.25.12.53.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 25 Apr 2019 12:53:28 -0700 (PDT) From: Mathieu Poirier To: gregkh@linuxfoundation.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 13/32] coresight: pmu: Adding ITRACE property to cs_etm PMU Date: Thu, 25 Apr 2019 13:52:51 -0600 Message-Id: <20190425195310.31562-14-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190425195310.31562-1-mathieu.poirier@linaro.org> References: <20190425195310.31562-1-mathieu.poirier@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add to the capabilities the ITRACE property so that ITRACE START events are generated when the PMU is switched on by the core. Signed-off-by: Mathieu Poirier Acked-by: Suzuki K Poulose Tested-by: Leo Yan Tested-by: Robert Walker --- drivers/hwtracing/coresight/coresight-etm-perf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.17.1 diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c index 4d5a2b9f9d6a..25ae56e924bb 100644 --- a/drivers/hwtracing/coresight/coresight-etm-perf.c +++ b/drivers/hwtracing/coresight/coresight-etm-perf.c @@ -566,7 +566,8 @@ static int __init etm_perf_init(void) { int ret; - etm_pmu.capabilities = PERF_PMU_CAP_EXCLUSIVE; + etm_pmu.capabilities = (PERF_PMU_CAP_EXCLUSIVE | + PERF_PMU_CAP_ITRACE); etm_pmu.attr_groups = etm_pmu_attr_groups; etm_pmu.task_ctx_nr = perf_sw_context;